Answer:organs which then combine to make an organ system and finally the organism. The cell is the smallest off all the 4 options
Explanation:
The nucleus contains a majority of the cell’s genetic material.
The studies are designed this way b/c it removes the power of suggestion and the double-blind study keeps both researchers and participants in the dark. So this compared to who is receiving the treatment which is relevant b/c it stops the researchers from accidentally overbalancing the study participants, or unintentionally favoring their assessment of the conclusions.
Answer: The answer is B
Explanation: Because desert plants need to store water for long durations. Plants, for example : the Saguaro Cactus, have a stretchy skin, with a spongy layer inside which enables the plant to distribute and store water for long durations. :) Hope this helps